CN202085000U - Feeder line terminal - Google Patents
Feeder line terminal Download PDFInfo
- Publication number
- CN202085000U CN202085000U CN2011201931286U CN201120193128U CN202085000U CN 202085000 U CN202085000 U CN 202085000U CN 2011201931286 U CN2011201931286 U CN 2011201931286U CN 201120193128 U CN201120193128 U CN 201120193128U CN 202085000 U CN202085000 U CN 202085000U
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- China
- Prior art keywords
- module
- line feed
- control
- feed terminals
- button
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a feeder line terminal which comprises a shell; and the shell is internally provided with a main control module, a sample module, a remote control module, a communication control module and a power supply module, wherein the sample module, the remote control module, the communication control module and the power supply module are respectively and electrically connected with the main control module, the sample module comprises an optical current transformer for collecting current signals, an optical voltage transformer for collecting voltage signals, and an photoelectricity converting module, and the optical current transformer, the optical voltage transformer are respectively and electrically connected with the photoelectricity converting module. In the feeder line terminal, the work efficiency is effectively improved, and the communication module and a main station are controlled to be communicated through an optical fiber, so that the work efficiency is further improved.
Description
Technical field
The utility model relates to a kind of feed line automatization terminal with remote monitoring.
Background technology
For a long time, the principal contradiction of China's electric power system is electric power a production falls short demand, and one of electric power breach is bigger.Therefore the emphasis of electric power investment a few years ago is the construction of power plant and transmission and distribution network, big input through more than ten years, electricity needs can satisfy in the near future, and current principal contradiction appears on the distribution link, and less input to distribution system owing to the past, causes the distribution network unreasonable structure, mainly show as 3 points: first, most cities all are the single-ended power supply of radial pattern basically, in case line fault can only be excised in whole loop, cause bulk zone to have a power failure; The second, distribution line send electric energy power little, a lot of local circuits at the beginning of the eighties that also use, and frequent running overload, not only line loss is up to more than 20%, also through the peak times of power consumption outage of being everlasting; The 3rd; equipment and technology falls behind; now the power distribution network of not transforming almost can be sayed without any automation or seldom have an automation controlled function; in case occur to rely on the fuse outage of trip protection or distribution transformer under the very big situation of accident or manually operating a switch; and then rely on and manually to find out the fault point, glitch causes a panel region to have a power failure for a long time more often.This has had a strong impact on the development of economic construction of people's lives.Along with China's rapid economy development, it is particularly outstanding that the weak link of power distribution network seems, the power distribution network of more than ten years preplanning does not meet the development situation that makes rapid progress now already, does not satisfy the needs of people to the quality of power supply, and this just presses for realizes automation to the monitoring of power distribution network and control.
Adopt automatic monitoring and the control of line feed terminals realization at present to electrical network, and existing line feed terminals is the acquisition method that adopts analog signal to the collection of electric current in the electrical network and voltage, flow to the main control module of line feed terminals then through the AD modular converter, but when the quantity of the analog quantity that needs to gather increases gradually, will certainly reduce the collecting efficiency of signal, cause the delay of response of line feed terminals, operating efficiency is not high.
The utility model content
The utility model is intended to solve that the data volume because of the need collection causes the ineffective technical problem of line feed terminals greatly in the prior art, provides a kind of collecting efficiency fast, the line feed terminals that be swift in response, operating efficiency effectively improves.
A kind of line feed terminals, comprise housing, be provided with main control module in the described housing, sampling module, remote control module, communication control module and power module, described sampling module, remote control module, communication control module and power module are electrically connected respectively at described main control module, described sampling module comprises the optical current mutual inductor that is used to gather current signal, optical voltage transformer and the photoelectric conversion module that is used to gather voltage signal, and described optical current mutual inductor, optical voltage transformer are electrically connected with described photoelectric conversion module by cable respectively.
Preferably, described main control module adopts 32 microcontroller chips, supports IEC61850 standard communications protocol, has functions such as fault initiatively reports, Remote configuration parameter.
Preferably, described communication control module adopts optical-fibre communications.
Preferably, described sampling module also comprises switching value input signal Acquisition Circuit and optical coupling isolation circuit, and described switching value input signal Acquisition Circuit, optical coupling isolation circuit and main control module are electrically connected successively.
Preferably, described power module comprises the AC/DC converting unit, and imports power supply with the first input power supply and second that described AC/DC converting unit is electrically connected respectively.
Preferably, described remote monitoring line feed terminals comprises that also one gives the energy storage device of described main control module power supply, and described energy storage device is electrically connected with described power module, and described power module can be given described energy storage device charging.
Preferably, have an openable lid on the described housing and be used to draw the wiring hole of electric wire with at least one.
Preferably, described housing is provided with local control button.
Preferably, described local control button comprises the universal rotary switch that can select local mode, distant place pattern or invalid mode; The remote control that control relay carries out separating action divides button; Control relay carries out the remote control of closed action and closes button; Control the big electric capacity that big electric capacity discharges and make things convenient for button; The air switch that the control line feed terminals powers on; And the control remote control divides button and remote control to close the effective or invalid preset button of button
Preferably, described local control button comprises that also one is arranged on the first remote control brace and in the control relay closed circuit and is arranged on the second remote control brace in the control relay list open circuit.
The above technical scheme, sampling module adopts optical current mutual inductor and optical voltage transformer that current signal in the electrical network and voltage signal are carried out digital sample, and transmit by the communication cable line, sample rate and precision have effectively been improved to electric current and voltage signal, effectively improved the operating efficiency of line feed terminals, and control communication module and main website have further improved the operating efficiency of line feed terminals by optical-fibre communications.
Description of drawings
Fig. 1 is the structured flowchart of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of a kind of embodiment of the utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the utility model provides a kind of remote monitoring line feed terminals, this remote monitoring line feed terminals comprises housing, and being positioned at main control module 1, sampling module 2, remote control module 3, communication control module 4 and the power module 5 of enclosure interior, described sampling module 2, remote control module 3, communication control module 4 and power module 5 are electrically connected respectively at described main control module 1.
Described sampling module 2 is used for gathering the voltage signal and the current signal of distribution line, comprise three-phase voltage, three-phase current and residual voltage, zero-sequence current, also be used for gathering the status signal and the position signalling of each switch disconnector of distribution line, and with collect to such an extent that the status signal and the position signalling of voltage signal, current signal and switch disconnector sends described main control module 1 to, main control module 1 collect carry out analysis-by-synthesis and calculating after these signals and will analyze after the result send main website to by communication control module 4.
Described sampling module preferably includes the optical current mutual inductor that is used to gather the digital current signal, optical voltage transformer and the photoelectric conversion module that is used to gather digital voltage signal, and described optical current mutual inductor, optical voltage transformer are electrically connected with described photoelectric conversion module by cable respectively.Described sampling module also preferably includes a switching value input signal Acquisition Circuit and an optical coupling isolation circuit simultaneously, and described switching value input signal Acquisition Circuit, optical coupling isolation circuit and main control module are electrically connected successively.Described optical current mutual inductor is used to gather the digital current signal and this digital signal is converted to the signal of telecommunication that main control module can receive by photoelectric conversion module, and described optical voltage transformer is used to gather digital voltage signal and this digital signal is converted to the signal of telecommunication that main control module can receive by photoelectric conversion module; Described switching value input signal Acquisition Circuit is used to gather the status signal and the position signalling of switch disconnector, the switching value input signal converts main control module 1 acceptable signal to through optical coupling isolation circuit, main control module scans these status signals again then, finishes collecting work and carries out corresponding software processes process.
Described remote control module 3 can preferably adopt actuating of relay control circuit, after main control module 1 receives the control command of main website, converts control command the signal of control relay actuation coil to, the on/off switch in final controllable switch loop.
Described main control module 1 is used to finish the collection of phase current, voltage signal, the collection of switching value input signal, and by carrying out the action of may command circuit breaker after the communication with main website, this module preferably adopts 32 microcontroller chips, this chip has embedded real-time multi-task operating system, has multithreading, multiple communication modes is supported IEC61850 standard communications protocol fully, has functions such as fault initiatively reports, Remote configuration parameter; But the software remote upgrade maintains easily, and it is strong that this chip has storage capacity, the characteristics that processing speed is fast.This chip can be selected public network, private network, various communication modes such as wired, wireless flexibly for use simultaneously; Adopt normal data storage and standard communication protocol, be convenient to the link with main website, multiple communication protocol of flexible configuration and master station communication, have information transmit fast, reliable communications, advantage such as antijamming capability is strong.Described communication control module preferably adopts optical-fibre communications, has effectively improved communication efficiency.
Described power module 5 comprises the AC/DC converting unit, reach the first input power supply and the second input power supply that are electrically connected respectively with described AC/DC converting unit, has the voltage mutual exclusion mechanism between these two the input power supplys, promptly when the line feed terminals operate as normal, have only one of them input power supply to power for it, when this input power supply broke down, automatically starting another one power supply was powered to it, effectively improved the ability that works online of line feed terminals, the appearance of the power failure that prevents to happen suddenly.Described each input power supply adopts the power supply design of wide-voltage range respectively, the scope of input power supply is 80V～400V, directly get at the operation circuit, preferably this remote monitoring line feed terminals also comprises an energy storage device, the input power supply can be given described energy storage device charging through the AC/DC unit, under the situation of working line outage, can give described remote monitoring line feed terminals power supply by energy storage device, make it can continuous service more than 14 hours.
Further preferably, the housing of described remote monitoring line feed terminals is provided with an openable lid, lid is provided with data capsule, make things convenient for the related personnel to the debugging of described remote monitoring line feed terminals and maintenance and place some debugging and repair information, this housing is provided with the wiring hole that at least one is used to draw electric wire simultaneously.
Preferably, described housing is provided with local control button, comprises the universal rotary switch that can select local mode, distant place pattern or invalid mode; The remote control that control relay carries out separating action divides button; Control relay carries out the remote control of closed action and closes button; Control the big electric capacity that big electric capacity discharges and make things convenient for button; The air switch that the control line feed terminals powers on; And the control remote control divides button and remote control to close the effective or invalid preset button of button, is arranged on the first remote control brace in the control relay closed circuit and is arranged on the second remote control brace in the control relay open circuit.
Described air switch is used to control line feed terminals and powers on, controls the safety of feeder voltage current sampling circuit and protection and control remote control circuit and power on etc.
Described universal rotary switch has a kind of pattern in the line feed terminals of being provided with selection local mode, distant place pattern and three kinds of state models of invalid mode.When selecting local mode, the concrete action of line feed terminals is controlled by the button on the terminal, i.e. local mode; When selecting distant place pattern, the concrete action of line feed terminals is controlled by the order that main website sends; When selecting invalid mode, local control and distant place control all are in disarmed state.
Described remote control divides button to be used for control relay to carry out separating action, when universal rotary switch is selected local mode, presses remote control and divides button, and relay separates.
Described remote control is closed button and is used for control relay and carries out closed action, when universal rotary switch is selected local mode, presses remote control and closes button, and relay carries out closure.
Described preset button is used to control remote control, and to divide button and remote control to close button effective or invalid, promptly when universal rotary switch is selected local mode, have only under the situation that preset button presses, remote control divides button and remote control to close button ability operate as normal, if preset button is not pressed, then remote control divides button and remote control to close the action that button can not be controlled corresponding relay.
Described big capacitor discharge button is after being used for guidance command switch motion being finished, and switch need not separate or closed action; Pin this button, the big electric capacity of energy storage of control switch action can be discharged, guarantee that device is in no an energy storage state, guarantee that device can the misoperation switch, guarantee that operating personnel can be because of big electric capacity electric shock.
The first remote control brace is arranged in the circuit of control relay closure, and when opening the first remote control brace, control loop disconnects, the action that this locality or distant place control all can not control relays; The second remote control brace is arranged in the control relay dead circuit, and when opening the second remote control brace, control loop disconnects, the action that this locality or distant place control all can not control relays.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. line feed terminals, comprise housing, it is characterized in that, be provided with main control module in the described housing, sampling module, remote control module, communication control module and power module, described sampling module, remote control module, communication control module and power module are electrically connected respectively at described main control module, described sampling module comprises the optical current mutual inductor that is used to gather current signal, be used to gather the optical voltage transformer and the photoelectric conversion module of voltage signal, described optical current mutual inductor, optical voltage transformer is electrically connected with described photoelectric conversion module by cable respectively.
2. line feed terminals according to claim 1 is characterized in that, described main control module adopts 32 microcontroller chips, supports IEC61850 standard communications protocol, has functions such as fault initiatively reports, Remote configuration parameter.
3. line feed terminals according to claim 2 is characterized in that, described communication control module adopts optical-fibre communications.
4. line feed terminals according to claim 3 is characterized in that described sampling module also comprises switching value input signal Acquisition Circuit and optical coupling isolation circuit, and described switching value input signal Acquisition Circuit, optical coupling isolation circuit and main control module are electrically connected successively.
5. line feed terminals according to claim 4 is characterized in that described power module comprises the AC/DC converting unit, and imports power supply with the first input power supply and second that described AC/DC converting unit is electrically connected respectively.
6. line feed terminals according to claim 5, it is characterized in that, described remote monitoring line feed terminals comprises that also one gives the energy storage device of described main control module power supply, and described energy storage device is electrically connected with described power module, and described power module can be given described energy storage device charging.
7. line feed terminals according to claim 6 is characterized in that, has an openable lid on the described housing and is used to draw the wiring hole of electric wire with at least one.
8. according to any described line feed terminals of claim 1-7, it is characterized in that described housing is provided with local control button.
9. line feed terminals according to claim 8 is characterized in that, described local control button comprises the universal rotary switch that can select local mode, distant place pattern or invalid mode; The remote control that control relay carries out separating action divides button; Control relay carries out the remote control of closed action and closes button; Control the big electric capacity that big electric capacity discharges and make things convenient for button; The air switch that the control line feed terminals powers on; And the control remote control divides button and remote control to close the effective or invalid preset button of button.
10. line feed terminals according to claim 8 is characterized in that, described local control button comprises that also one is arranged on the first remote control brace and in the control relay closed circuit and is arranged on the second remote control brace in the control relay list open circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201931286U CN202085000U (en) | 2011-06-09 | 2011-06-09 | Feeder line terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201931286U CN202085000U (en) | 2011-06-09 | 2011-06-09 | Feeder line terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085000U true CN202085000U (en) | 2011-12-21 |
Family
ID=45345617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201931286U Expired - Fee Related CN202085000U (en) | 2011-06-09 | 2011-06-09 | Feeder line terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333143A (en) * | 2014-11-26 | 2015-02-04 | 天津理工大学 | Intelligent feeder terminal device for power distribution network fault detection |
-
2011
- 2011-06-09 CN CN2011201931286U patent/CN202085000U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333143A (en) * | 2014-11-26 | 2015-02-04 | 天津理工大学 | Intelligent feeder terminal device for power distribution network fault detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20200609 |
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| CF01 | Termination of patent right due to non-payment of annual fee |